V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry काङ्क्षा
काङ्क्षाkāṅkṣāWish, desire.
[-काङ्क्ष्-अ]
Wish, desire.
Inclination, appetite; as in भक्तकाङ्क्षा. प्रेषितो चाऽपि रामेण सीतान्वेषण- काङ्क्षया Rām.5.42.15.